![Rebecca Frey](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Rebecca Frey
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Profile
Rebecca Velez Frey is President, Chief Executive Officer & Director at Yarrow Bioscience, Inc. since 2025.
Holds director position at Siduma Therapeutics, Inc. since 2021.
Serves on the Board of Directors at Halda Therapeutics OpCo, Inc. Holds the role of Venture Partner at RTW Investments LP since 2025.
Formerly President & Chief Executive Officer at Yarrow Bioscience, Inc. (Old).
Worked as Associate Director at Novartis Inflammasome Research, Inc. from 2002 to 2006.
Served as Vice President at Alexion Pharmaceuticals, Inc. from 2012 to 2017.
Chief Operating Officer at Cardurion Pharmaceuticals, Inc. from 2018 to 2020.
Chief Operating Officer at Evolveimmune Therapeutics, Inc. from 2020 to 2021.
Venture Partner at Elm Street Advisors LLC from 2021 to 2025.
Earned a doctorate from Northeastern University in 1998.
Rebecca Frey active positions
| Companies | Position | Start |
|---|---|---|
Halda Therapeutics OpCo, Inc.
 Halda Therapeutics OpCo, Inc. BiotechnologyHealth Technology Operates as a clinical-stage biotechnology company that develops a mechanism and therapies for the treatment of cancers | Director/Board Member | - |
Siduma Therapeutics, Inc.
 Siduma Therapeutics, Inc. BiotechnologyHealth Technology Develops medicines using body's innate biology | Director/Board Member | 01/12/2021 |
RTW Investments /Venture/
 RTW Investments /Venture/ Investment ManagersFinance RTW Investments invests in companies located in the United States. The firm targets companies operating in the fields of med tech and biopharma sectors. It provides financing for early-stage capital requirements. | Private Equity Investor | 01/02/2025 |
Former positions of Rebecca Frey
| Companies | Position | End |
|---|---|---|
Elm Street Advisors LLC
 Elm Street Advisors LLC Investment ManagersFinance Elm Street Ventures invests in companies located in the United States. The firm targets companies operating across a broad range of sectors and industries. It provides financing for seed and early-stage capital requirements with an initial investment size of USD 0.5 - 2.5 million. It also makes follow-on investments. | Private Equity Investor | 01/12/2025 |
Evolveimmune Therapeutics, Inc.
 Evolveimmune Therapeutics, Inc. BiotechnologyHealth Technology Operates as biotechnology company | Chief Operating Officer | 31/12/2021 |
Cardurion Pharmaceuticals, Inc.
 Cardurion Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Develops therapeutics for the treatment of heart failure and cardiovascular diseases | Chief Operating Officer | 31/12/2020 |
| ALEXION PHARMACEUTICALS, INC. | President | 30/09/2017 |
Novartis Inflammasome Research, Inc.
 Novartis Inflammasome Research, Inc. Pharmaceuticals: MajorHealth Technology Manufactures molecule drugs | Director/Board Member | 30/09/2006 |
Training of Rebecca Frey
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
94
1st degree connections
9
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 9 |
|---|---|
Alexion Pharmaceuticals, Inc.
 Alexion Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Operates as a pharmaceutical company that develops life-changing therapies for people living with rare disorders | Health Technology |
Northeastern University
 Northeastern University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Elm Street Advisors LLC
Elm Street Advisors LLC Investment ManagersFinance Elm Street Ventures invests in companies located in the United States. The firm targets companies operating across a broad range of sectors and industries. It provides financing for seed and early-stage capital requirements with an initial investment size of USD 0.5 - 2.5 million. It also makes follow-on investments. | Finance |
Cardurion Pharmaceuticals, Inc.
Cardurion Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Develops therapeutics for the treatment of heart failure and cardiovascular diseases | Health Technology |
Novartis Inflammasome Research, Inc.
Novartis Inflammasome Research, Inc. Pharmaceuticals: MajorHealth Technology Manufactures molecule drugs | Health Technology |
RTW Investments /Venture/
RTW Investments /Venture/ Investment ManagersFinance RTW Investments invests in companies located in the United States. The firm targets companies operating in the fields of med tech and biopharma sectors. It provides financing for early-stage capital requirements. | Finance |
Evolveimmune Therapeutics, Inc.
Evolveimmune Therapeutics, Inc. BiotechnologyHealth Technology Operates as biotechnology company | Health Technology |
Halda Therapeutics OpCo, Inc.
Halda Therapeutics OpCo, Inc. BiotechnologyHealth Technology Operates as a clinical-stage biotechnology company that develops a mechanism and therapies for the treatment of cancers | Health Technology |
Siduma Therapeutics, Inc.
Siduma Therapeutics, Inc. BiotechnologyHealth Technology Develops medicines using body's innate biology | Health Technology |
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